{"entry-date":"2026-06-11","start-date":"","end-date":"","entity":40452,"name":"<p>Summary and Definition</p> <p>The Ham House and Grounds APA covers the Grade II* listed gardens, pleasure grounds and 17th Century mansion house located on the southern banks of the river Thames. It is a Tier II APA because it covers a country house","dataset":"archaeological-priority-area","typology":"geography","reference":"209754","prefix":"archaeological-priority-area","organisation-entity":16,"geometry":"MULTIPOLYGON (((-0.313946 51.446301, -0.317678 51.44569, -0.318412 51.44561, -0.318293 51.445176, -0.318184 51.44501, -0.317931 51.444741, -0.317723 51.444481, -0.317581 51.444278, -0.31723 51.443858, -0.316837 51.443359, -0.316635 51.443242, -0.3164 51.443081, -0.316281 51.4429, -0.315998 51.44251, -0.315843 51.442618, -0.315426 51.44269, -0.315266 51.442654, -0.315144 51.44254, -0.314875 51.442222, -0.310925 51.443138, -0.312457 51.445357, -0.313049 51.446196, -0.31315 51.4464, -0.313946 51.446301)))","point":"POINT (-0.314629 51.444349)","quality":"authoritative","archaeological-risk-tier":"Archaeological Priority Area - Tier II"}